|Scientific Name:||Cyanea horrida|
|Species Authority:||(Rock) O.Deg. & Hosaka|
|Red List Category & Criteria:||Critically Endangered D ver 3.1|
|Assessor(s):||Bruegmann, M.M. & Caraway, V.|
|Reviewer(s):||Maunder, M. (Plant Conservation Committee) & Pollock, C.M. (Red List Programme Office)|
Previously assessed as Vulnerable (VU D2) under the 1994 Categories and Criteria. With better information, this is now reassessed as Critically Endangered.
Cyanea horrida is endemic to the island of Maui, Hawaii. It is known from five subpopulations, totaling less than 20 individuals. Threats to the species include pigs, weeds, and possibly rats and invertebrates.
|Range Description:||A palm-like tree known only from East Maui.|
Native:United States (Hawaiian Is.)
|Range Map:||Click here to open the map viewer and explore range.|
|Habitat and Ecology:||Riparian habitat. It is restricted to rainforest and the margins of subalpine forest between altitudes of 1,520 and 2,000 m.|
|Major Threat(s):||Threats include pigs, weeds, and possibly rats and invertebrates.|
IUCN. 2003. 2003 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 18 November 2003.
Oldfield, S., Lusty, C. and MacKinven, A. (compilers). 1998. The World List of Threatened Trees. World Conservation Press, Cambridge, UK.
U.S. Fish and Wildlife Service. 2003. Rare plant database. Unpublished.
Wagner, W., Herbst, D. and Sohmer, S. 1990. Manual of the flowering plants of Hawaii. University of Hawaii Press, Bishop Museum Press, Honolulu.
Wagner, W., Herbst, D. and Sohmer S. 1999. Manual of the Flowering Plants of Hawaii. Bernice Pauahi Bishop Museum Special Publication 91: 1-1918.
|Citation:||Bruegmann, M.M. & Caraway, V. 2003. Cyanea horrida. The IUCN Red List of Threatened Species. Version 2015.2. <www.iucnredlist.org>. Downloaded on 30 July 2015.|